Engine Coolant Temperature (ECT) Circuit Low Input

What does this mean?

Code P0117 indicates the ECT sensor voltage is lower than expected, suggesting the sensor reports excessively high temperature.

Disclaimer: This diagnostic code is part of the standard OBD2 system and can apply to Acura Tlx models manufactured from 1996 to 2026. However, please note that the presence of this specific code depends on your vehicle's exact engine configuration, options, and production year.